Aleem Maqbool reports on Karachi, where inter-ethnic violence between Urdu speakers and Pashtuns has killed hundreds in the last few months; as Sonia Gandhi receives medical treatment in the US, Mark Tully explores her enduring political power in India, despite the fact that she holds no government office; Orla Guerin is in Misrata, in Libya, where rockets still threaten civilians and little appears to have changed for the better; Sudan is now officially divided into two and Sudanese pride, especially in the north, has taken a battering - James Copnall describes how national hopes lay with a horse called Diktator at the Sudanese Derby; and despite their economic woes, Jake Wallis Simons sees how the Portuguese still found a way to celebrate, with trays full of bread.